[plt-scheme] image-snip stuff

On Jan 2, 2009, at 4:25 PM, Stephen Bloch wrote:

> What does it mean when two images satisfy
> (= (image-width pic1) (image-width pic2))
> (= (image-height pic1) (image-height pic2))
> (equal? (image->alpha-color-list pic1) (image->alpha-color-list pic2))
>
> but not
>
> (image=? pic1 pic2)

Never mind: they have different pinholes.  Is there any other way it  
can happen?

Stephen Bloch
sbloch at adelphi.edu